+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2014 Freescale Semiconductor, Inc.
*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
+#include <asm/mach-imx/iomux-v3.h>
#include <asm/io.h>
-#include <asm/imx-common/mxc_i2c.h>
+#include <asm/mach-imx/mxc_i2c.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
- PAD_CTL_ODE)
-
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
-#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
- PAD_CTL_ODE)
+#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
+ PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
+
+#define WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm)
int dram_init(void)
{
- gd->ram_size = PHYS_SDRAM_SIZE;
+ gd->ram_size = imx_ddr_size();
return 0;
}
MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
-static iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-static iomux_v3_cfg_t const usdhc3_pads[] = {
- MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-
- /* CD pin */
- MX6_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
-
- /* RST_B, used for power reset cycle */
- MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-static iomux_v3_cfg_t const usdhc4_pads[] = {
- MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DATA7__GPIO6_IO_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
+static iomux_v3_cfg_t const wdog_b_pad = {
+ MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
-
static iomux_v3_cfg_t const fec1_pads[] = {
MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
- int reg;
+ int reg, ret;
/* Use 125MHz anatop loopback REF_CLK1 for ENET1 */
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0);
+ ret = enable_fec_anatop_clock(0, ENET_125MHZ);
+ if (ret)
+ return ret;
+
imx_iomux_v3_setup_multiple_pads(phy_control_pads,
ARRAY_SIZE(phy_control_pads));
/* Enable the ENET power, active low */
+ gpio_request(IMX_GPIO_NR(2, 6), "enet_rst");
gpio_direction_output(IMX_GPIO_NR(2, 6) , 0);
/* Reset AR8031 PHY */
+ gpio_request(IMX_GPIO_NR(2, 7), "phy_rst");
gpio_direction_output(IMX_GPIO_NR(2, 7) , 0);
- udelay(500);
+ mdelay(10);
gpio_set_value(IMX_GPIO_NR(2, 7), 1);
reg = readl(&anatop->pll_enet);
reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE;
writel(reg, &anatop->pll_enet);
- return enable_fec_anatop_clock(ENET_125MHz);
+ return 0;
}
int board_eth_init(bd_t *bis)
return cpu_eth_init(bis);
}
-#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
-/* I2C1 for PMIC */
-static struct i2c_pads_info i2c_pad_info1 = {
- .scl = {
- .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC,
- .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC,
- .gp = IMX_GPIO_NR(1, 0),
- },
- .sda = {
- .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC,
- .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC,
- .gp = IMX_GPIO_NR(1, 1),
- },
-};
-
int power_init_board(void)
{
- struct pmic *p;
+ struct udevice *dev;
unsigned int reg;
+ int ret;
- p = pfuze_common_init(I2C_PMIC);
- if (!p)
+ dev = pfuze_common_init();
+ if (!dev)
return -ENODEV;
+ ret = pfuze_mode_init(dev, APS_PFM);
+ if (ret < 0)
+ return ret;
+
/* Enable power of VGEN5 3V3, needed for SD3 */
- pmic_reg_read(p, PFUZE100_VGEN5VOL, ®);
+ reg = pmic_reg_read(dev, PFUZE100_VGEN5VOL);
reg &= ~LDO_VOL_MASK;
reg |= (LDOB_3_30V | (1 << LDO_EN));
- pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
+ pmic_reg_write(dev, PFUZE100_VGEN5VOL, reg);
return 0;
}
imx_iomux_v3_setup_multiple_pads(peri_3v3_pads,
ARRAY_SIZE(peri_3v3_pads));
+ return 0;
+}
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno;
+}
+
+#ifdef CONFIG_FSL_QSPI
+
+#define QSPI_PAD_CTRL1 \
+ (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \
+ PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm)
+
+static iomux_v3_cfg_t const quadspi_pads[] = {
+ MX6_PAD_NAND_WP_B__QSPI2_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_READY_B__QSPI2_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_CE0_B__QSPI2_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_CE1_B__QSPI2_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_ALE__QSPI2_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_CLE__QSPI2_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA07__QSPI2_A_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA01__QSPI2_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA00__QSPI2_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_WE_B__QSPI2_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_RE_B__QSPI2_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA03__QSPI2_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA02__QSPI2_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+ MX6_PAD_NAND_DATA05__QSPI2_B_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
+};
+
+int board_qspi_init(void)
+{
+ /* Set the iomux */
+ imx_iomux_v3_setup_multiple_pads(quadspi_pads,
+ ARRAY_SIZE(quadspi_pads));
+
+ /* Set the clock */
+ enable_qspi_clk(1);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_VIDEO_MXS
+static iomux_v3_cfg_t const lcd_pads[] = {
+ MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
+ MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* Use GPIO for Brightness adjustment, duty cycle = period */
+ MX6_PAD_SD1_DATA2__GPIO6_IO_4 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static int setup_lcd(void)
+{
+ enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
+
+ imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
+
+ /* Reset the LCD */
+ gpio_request(IMX_GPIO_NR(3, 27), "lcd_rst");
+ gpio_direction_output(IMX_GPIO_NR(3, 27) , 0);
+ udelay(500);
+ gpio_direction_output(IMX_GPIO_NR(3, 27) , 1);
+
+ /* Set Brightness to high */
+ gpio_request(IMX_GPIO_NR(6, 4), "lcd_bright");
+ gpio_direction_output(IMX_GPIO_NR(6, 4) , 1);
+
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ /*
+ * Because kernel set WDOG_B mux before pad with the common pinctrl
+ * framwork now and wdog reset will be triggered once set WDOG_B mux
+ * with default pad setting, we set pad setting here to workaround this.
+ * Since imx_iomux_v3_setup_pad also set mux before pad setting, we set
+ * as GPIO mux firstly here to workaround it.
+ */
+ imx_iomux_v3_setup_pad(wdog_b_pad);
+
/* Active high for ncp692 */
- gpio_direction_output(IMX_GPIO_NR(4, 16) , 1);
+ gpio_request(IMX_GPIO_NR(4, 16), "ncp692_en");
+ gpio_direction_output(IMX_GPIO_NR(4, 16), 1);
+
+#ifdef CONFIG_FSL_QSPI
+ board_qspi_init();
+#endif
+
+#ifdef CONFIG_VIDEO_MXS
+ setup_lcd();
+#endif
return 0;
}
+static bool is_reva(void)
+{
+ return (nxp_board_rev() == 1);
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ if (is_reva())
+ env_set("board_rev", "REVA");
+#endif
+ return 0;
+}
+
+int checkboard(void)
+{
+ printf("Board: MX6SX SABRE SDB rev%c\n", nxp_board_rev_string());
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <linux/libfdt.h>
+#include <spl.h>
+#include <asm/arch/mx6-ddr.h>
+
static struct fsl_esdhc_cfg usdhc_cfg[3] = {
{USDHC2_BASE_ADDR, 0, 4},
{USDHC3_BASE_ADDR},
#define USDHC3_PWR_GPIO IMX_GPIO_NR(2, 11)
#define USDHC4_CD_GPIO IMX_GPIO_NR(6, 21)
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+ /* CD pin */
+ MX6_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
+
+ /* RST_B, used for power reset cycle */
+ MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc4_pads[] = {
+ MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DATA7__GPIO6_IO_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_mmc_init(bd_t *bis)
+{
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+ u32 val;
+ u32 port;
+
+ val = readl(&src_regs->sbmr1);
+
+ if ((val & 0xc0) != 0x40) {
+ printf("Not boot from USDHC!\n");
+ return -EINVAL;
+ }
+
+ port = (val >> 11) & 0x3;
+ printf("port %d\n", port);
+ switch (port) {
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+ break;
+ case 2:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ gpio_direction_input(USDHC3_CD_GPIO);
+ gpio_direction_output(USDHC3_PWR_GPIO, 1);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ break;
+ case 3:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ gpio_direction_input(USDHC4_CD_GPIO);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
+ break;
+ }
+
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
return ret;
}
-int board_mmc_init(bd_t *bis)
-{
- int i, ret;
+const struct mx6sx_iomux_ddr_regs mx6_ddr_ioregs = {
+ .dram_dqm0 = 0x00000028,
+ .dram_dqm1 = 0x00000028,
+ .dram_dqm2 = 0x00000028,
+ .dram_dqm3 = 0x00000028,
+ .dram_ras = 0x00000020,
+ .dram_cas = 0x00000020,
+ .dram_odt0 = 0x00000020,
+ .dram_odt1 = 0x00000020,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdclk_0 = 0x00000030,
+ .dram_sdqs0 = 0x00000028,
+ .dram_sdqs1 = 0x00000028,
+ .dram_sdqs2 = 0x00000028,
+ .dram_sdqs3 = 0x00000028,
+ .dram_reset = 0x00000020,
+};
- /*
- * According to the board_mmc_init() the following map is done:
- * (U-boot device node) (Physical Port)
- * mmc0 USDHC2
- * mmc1 USDHC3
- * mmc2 USDHC4
- */
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- break;
- case 1:
- imx_iomux_v3_setup_multiple_pads(
- usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
- gpio_direction_input(USDHC3_CD_GPIO);
- gpio_direction_output(USDHC3_PWR_GPIO, 1);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- break;
- case 2:
- imx_iomux_v3_setup_multiple_pads(
- usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
- gpio_direction_input(USDHC4_CD_GPIO);
- usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- break;
- default:
- printf("Warning: you configured more USDHC controllers"
- "(%d) than supported by the board\n", i + 1);
- return -EINVAL;
- }
-
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- if (ret) {
- printf("Warning: failed to initialize mmc dev %d\n", i);
- return ret;
- }
- }
+const struct mx6sx_iomux_grp_regs mx6_grp_ioregs = {
+ .grp_addds = 0x00000020,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_ddrmode = 0x00020000,
+ .grp_b0ds = 0x00000028,
+ .grp_b1ds = 0x00000028,
+ .grp_ctlds = 0x00000020,
+ .grp_ddr_type = 0x000c0000,
+ .grp_b2ds = 0x00000028,
+ .grp_b3ds = 0x00000028,
+};
- return 0;
-}
+const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00290025,
+ .p0_mpwldectrl1 = 0x00220022,
+ .p0_mpdgctrl0 = 0x41480144,
+ .p0_mpdgctrl1 = 0x01340130,
+ .p0_mprddlctl = 0x3C3E4244,
+ .p0_mpwrdlctl = 0x34363638,
+};
+static struct mx6_ddr3_cfg mem_ddr = {
+ .mem_speed = 1600,
+ .density = 4,
+ .width = 32,
+ .banks = 8,
+ .rowaddr = 15,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+};
-int board_init(void)
+static void ccgr_init(void)
{
- /* Address of boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
-
-#ifdef CONFIG_SYS_I2C_MXC
- setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
-#endif
-
- return 0;
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0xFFFFFFFF, &ccm->CCGR0);
+ writel(0xFFFFFFFF, &ccm->CCGR1);
+ writel(0xFFFFFFFF, &ccm->CCGR2);
+ writel(0xFFFFFFFF, &ccm->CCGR3);
+ writel(0xFFFFFFFF, &ccm->CCGR4);
+ writel(0xFFFFFFFF, &ccm->CCGR5);
+ writel(0xFFFFFFFF, &ccm->CCGR6);
+ writel(0xFFFFFFFF, &ccm->CCGR7);
}
-int board_late_init(void)
+static void spl_dram_init(void)
{
- return 0;
+ struct mx6_ddr_sysinfo sysinfo = {
+ .dsize = mem_ddr.width/32,
+ .cs_density = 24,
+ .ncs = 1,
+ .cs1_mirror = 0,
+ .rtt_wr = 2,
+ .rtt_nom = 2, /* RTT_Nom = RZQ/2 */
+ .walat = 1, /* Write additional latency */
+ .ralat = 5, /* Read additional latency */
+ .mif3_mode = 3, /* Command prediction working mode */
+ .bi_on = 1, /* Bank interleaving enabled */
+ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
+ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
+ .ddr_type = DDR_TYPE_DDR3,
+ .refsel = 1, /* Refresh cycles at 32KHz */
+ .refr = 7, /* 8 refresh commands per refresh cycle */
+ };
+
+ mx6sx_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
}
-int checkboard(void)
+void board_init_f(ulong dummy)
{
- puts("Board: MX6SX SABRE SDB\n");
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
- return 0;
+ ccgr_init();
+
+ /* iomux and setup of i2c */
+ board_early_init_f();
+
+ /* setup GP timer */
+ timer_init();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ /* DDR initialization */
+ spl_dram_init();
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
}
+#endif
projects / u-boot / blobdiff